$('button').click(function () {
    new Ajax("/my/background_net.jsp").keyvalue($('#form').serializeArray()).getJson(function (json) {
        if (json == 1) {
            $(window.parent.document).find('body').css({
                "overflow-x": "hidden",
                "overflow-y": "hidden"
            });
            $(window.parent.document).find("#vague").show();
        }
    })

});
